Home / 5,226.67-7,842.64-1,940.10

Finding the Fourth Proportional to 5,226.67, 7,842.64 and 1,940.10

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Solution

The fourth proportional to 5,226.67, 7,842.64 and 1,940.10 is: 2,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.67 : 7,842.64 = 1,940.10 : x
  2. Step 2: Convert to fraction form
    5,226.67/7,842.64 = 1,940.10/x
  3. Step 3: Cross multiply
    5,226.67x = 7,842.64 × 1,940.10
  4. Step 4: Simplify right side
    5,226.67x = 15,215,505.86
  5. Step 5: Solve for x
    x = 15,215,505.86/5,226.67
  6. Step 6: Final answer
    x = 2,911.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.